Home / 26,655.48-39,899.38-18,286.56

Finding the Fourth Proportional to 26,655.48, 39,899.38 and 18,286.56

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Solution

The fourth proportional to 26,655.48, 39,899.38 and 18,286.56 is: 27,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.48 : 39,899.38 = 18,286.56 : x
  2. Step 2: Convert to fraction form
    26,655.48/39,899.38 = 18,286.56/x
  3. Step 3: Cross multiply
    26,655.48x = 39,899.38 × 18,286.56
  4. Step 4: Simplify right side
    26,655.48x = 729,622,115.40
  5. Step 5: Solve for x
    x = 729,622,115.40/26,655.48
  6. Step 6: Final answer
    x = 27,372.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.